Quote:
Originally Posted by simota1
try installing a grounding kit i used to have a lag in throttle response.... but it feels like it bites better after the stillen ground kit... but then again it could be a placebo effect
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Thanks for the suggestion. I installed one for the 350Z, and it softened the rough idle. Thank goodness the 370Z doesn't exhibit this issue. Throttle response was more or less the same. I'll wait for the turbo upgrade since I don't want anything extra in the engine bay to complicate the install process, but I'll keep you guys informed if the fuel pump upgrade and changing sparking plugs make a difference.